“……an underground railroad was being constructed beneath the city streets. Metal sheets were put down in place of asphalt to cover holes in certain sections of downtown roads during the construction.

At about 7:30 a.m., during a busy rush hour, a large explosion rumbled beneath the streets, blasting the metal sheets high into the air. Flames shot out from underground, some 150 feet high, throughout a 300-yard area. Cars were transformed into fireballs and one was reported to have been thrown 30 feet into the air. Some pedestrians in the area were enveloped by fire; others further away were blown to the ground. Flaming debris hit people up to half of a mile away. The final death toll was 110, with hundreds injured……”